Rank	Countries/Territories	Count	Percent
1	United States	438	43.3%
2	China	260	25.7%
3	Germany	74	7.3%
4	France	30	3%
5	Japan	20	2%
6		17	1.7%
7	Spain	16	1.6%
8	Netherlands	15	1.5%
9	India	15	1.5%
10	Russia	13	1.3%
11	United Kingdom	12	1.2%
12	Mongolia	12	1.2%
13	Brazil	11	1.1%
14	Italy	10	1%
15	Canada	7	0.7%
16	Singapore	7	0.7%
17	Australia	6	0.6%
18	Egypt	5	0.5%
19	Hong Kong	5	0.5%
20	Switzerland	4	0.4%
21	Taiwan	3	0.3%
22	Romania	3	0.3%
23	Ukraine	3	0.3%
24	Iran, Islamic Republic of	3	0.3%
25	Ireland	3	0.3%
26	Korea, Republic of	3	0.3%
27	Ethiopia	2	0.2%
28	Cyprus	2	0.2%
29	Belgium	2	0.2%
30	Saudi Arabia	2	0.2%
31	Peru	2	0.2%
32	Thailand	2	0.2%
33	Turkey	2	0.2%
34	Poland	1	0.1%
35	Denmark	1	0.1%